wbemprox/tests: Fix some leaks (Valgrind).

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
diff --git a/dlls/wbemprox/tests/query.c b/dlls/wbemprox/tests/query.c
index 8ff9803..083a717 100644
--- a/dlls/wbemprox/tests/query.c
+++ b/dlls/wbemprox/tests/query.c
@@ -1012,6 +1012,7 @@
         win_skip( "__SystemSecurity not available\n" );
         return;
     }
+    IWbemClassObject_Release( reg );
 
     sid_size = sizeof(sid_admin_buffer);
     ret = CreateWellKnownSid( WinBuiltinAdministratorsSid, NULL, sid_admin, &sid_size );
@@ -1297,6 +1298,7 @@
     VariantClear( &val );
 
     IWbemClassObject_Release( obj );
+    IEnumWbemClassObject_Release( result );
     SysFreeString( query );
     SysFreeString( wql );
 }